12152500123 has 4 divisors (see below), whose sum is σ = 12544516288. Its totient is φ = 11760483960.

The previous prime is 12152500121. The next prime is 12152500147. The reversal of 12152500123 is 32100525121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12152500123 - 2¹ = 12152500121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12152500094 and 12152500103.

It is not an unprimeable number, because it can be changed into a prime (12152500121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 196008036 + ... + 196008097.

It is an arithmetic number, because the mean of its divisors is an integer number (3136129072).

Almost surely, 2^12152500123 is an apocalyptic number.

12152500123 is a deficient number, since it is larger than the sum of its proper divisors (392016165).

12152500123 is an equidigital number, since it uses as much as digits as its factorization.

12152500123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392016164.

The product of its (nonzero) digits is 600, while the sum is 22.

The spelling of 12152500123 in words is "twelve billion, one hundred fifty-two million, five hundred thousand, one hundred twenty-three".